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Ruggedized MPO 12 Fiber Test System (850nm Source)

Fosco Connect Part No.: F1850MPOR

  • $ 7,895.00 or



Built for demanding outdoor environments, this ruggedized 12-fiber MPO/MTP multimode test set delivers fast and accurate link attenuation measurements across all 12 fibers in under 10 seconds.

Featuring an integrated 850 nm light source and 12-channel InGaAs power meter, the unit supports A, B, and C polarity detection, and provides instant Pass/Fail reporting based on user-defined thresholds.

Ideal for certifying MPO trunks in data centers, telecom installations, or harsh environments, this unit includes reference cables, PC software, and a sealed case for water-resistant field operation.


🧰 Kit Includes

  • Rugged 12-Position Multimode Power Meter

  • 850 nm Multimode Light Source

  • 2 MPO/MTP Type A Reference Cords with MTP Pro Connectors

  • 2 MPO/MTP Mating Sleeves

  • 2 AC Power Adapters (120–240 V AC to 12 V DC)

  • USB Mini Cable & PC Reporting Software

  • Ruggedized Waterproof Carrying Case


✅ Key Features

  • Test 12 MPO Fibers in Under 10 Seconds

  • Supports A, B, C, and 40G Polarity Configurations

  • Pass/Fail Reporting with user-defined dB/dBm thresholds

  • USB Data Transfer for up to 1,000 stored test results

  • Flexible Light Source Modes:

    • Auto-loop

    • Manual fiber-by-fiber

    • All-on

    • Channels 1–4 & 9–12 for 40G testing

  • Class 3B Laser with CW or Modulated Output

  • Auto Power-Off after 10 Minutes Idle

  • Field-Proven Rugged Design with Sealed Housing


📋 Power Meter Specifications

Parameter Value
Measurement Power / Insertion Loss (dBm/dB)
Detector Type 12 × InGaAs Photodiodes (800–1700 nm range)
Calibrated Wavelength 850 nm (Multimode)
Dynamic Range +3.0 dBm to –50 dBm
Resolution 0.01 dBm/dB
Accuracy ±0.15 dBm/dB
Polarity Detection A, B, C, and 40G
Test Storage 999 results
Data Output USB Mini (Serial Interface)
Connector Type MPO Male UPC (62.5/125 or 50/125 µm compatible)
Battery Type 8 × NiMH Rechargeable (2100 mAh)
Battery Life / Charge ~6 hrs / ~3 hrs
Dimensions / Weight 8″ × 6″ × 4″ / 3.0 lbs (ruggedized)

📋 Light Source Specifications

Parameter Value
Wavelength 850 nm (Multimode)
Output Power < –4.0 dBm typical (50/125 µm fiber)
Modulation Modes CW, 270 Hz, 1 kHz, 2 kHz
Output Modes Auto, Manual, All-On, 40G (1–4 & 9–12)
Laser Safety Class Class 3B
Battery Life / Charge ~6 hrs / ~3 hrs
Dimensions / Weight 8″ × 6″ × 4″ / 3.0 lbs (ruggedized)
Water Resistance 30 min in 1 m (3.3 ft) of water with cover closed

🔢 Ordering Information

Part Number Description
F1850MPOR Rugged MPO 12-Fiber MM Test Set – 850 nm Source
F1850MPO Standard MPO MM Test Set – 850 nm Source
9400-0001MMLS MM 850 nm Light Source (Unit Only)
9400-0003MMPM MM Power Meter (Unit Only – 850 nm)

🧩 Optional Accessories

  • MPOACCESSORYKITMM – OM3 Cleaner, Gender Change Tool, Sleeves, Reference Cord

  • 18814 – MTP Pro Field Tool (Gender Changer)

  • F1EFRC-OM3 – OM3 Encircled Flux Reference Cord

  • LC–MPO Breakout Cable – For fan-out trunk testing


Download Product Specification

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